Extraction of the Compton Form Factor H from DVCS measurements at Jefferson Lab
Journal Article
·
· Physical Review D
In the framework of Generalised Parton Distributions, we study the helicity-dependent and independent cross sections measured in Hall A and the beam spin asymmetries measured in Hall B at Jefferson Laboratory. We perform a global fit of these data and fits on each kinematical bin. We extract the real and imaginary parts of the Compton Form Factor $$\mathcal{H}$$ under the main hypothesis of dominance of the Generalised Parton Distribution $$H$$ and twist 2 accuracy. We discuss our results and compare to previous extractions as well as to the VGG model. We pay extra attention to the estimation of errors on the extraction of $$\mathcal{H}$$.
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC05-06OR23177
- OSTI ID:
- 978842
- Report Number(s):
- JLAB-PHY-09-995; DOE/OR/23177-0787
- Journal Information:
- Physical Review D, Journal Name: Physical Review D Journal Issue: 9 Vol. 79; ISSN PRVDAQ; ISSN 1550-7998
- Country of Publication:
- United States
- Language:
- English
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